Mammals are a group of animals that share three major traits. These traits help children understand how animals are sorted in nature and allow them to identify mammals in simple, observable ways. Are bears mammals? The first trait is that all mammals are warm-blooded. This means they can keep their body temperature steady, even when the environment changes. A squirrel in winter or a whale in cold water stays warm because its body regulates heat on its own. This is different f

Discover how sound waves travel, how our ears hear them, and how the inclusive children’s book I’ve Never Sawn That Before! brings hearing and science together.

Discover where animals go in winter! Learn how birds migrate, frogs hibernate, and squirrels prepare for cold weather in this fun educational episode of Hook Book Barrel.

Discover how to identify animal tracks in nature with Hook Book Barrel. Fun,